Physical Process First Law and Increase of Horizon Entropy for Black Holes in Einstein-Gauss-Bonnet Gravity

被引：40

作者：

Chatterjee, Ayan ^{[1
]}

Sarkar, Sudipta ^{[1
]}

机构：

[1] Inst Math Sci, Madras 600113, Tamil Nadu, India

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 09期

关键词：

GENERALIZED 2ND LAW; NOETHER CHARGE; THERMODYNAMICS; DIMENSIONS;

D O I：

10.1103/PhysRevLett.108.091301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We establish the physical process version of the first law by studying small perturbations of a stationary black hole with a regular bifurcation surface in Einstein-Gauss-Bonnet gravity. Our result shows that when the stationary black hole is perturbed by a matter stress energy tensor and finally settles down to a new stationary state, the Wald entropy increases as long as the matter satisfies the null energy condition.

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页数：5

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